| 1. | An existence and uniqueness theorem of limit cycles for li 233 ; nard system 极限环的一个存在唯一性定理 |
| 2. | A note of the existence and uniqueness of solution of differential equations in banach space 空间中常微分方程解的存在唯一性定理的注 |
| 3. | Also , this thesis proves the uniqueness and solution theorems of derivation set of basic relation operators 作者证明了基本运算的起源集的唯一性定理和求解定理。 |
| 4. | By using the contraction mapping principle , the boundary value problems for a second order functional difference equation are investigated . existence and uniqueness results are obtained 利用压缩映照定理,研究了一个二阶泛函差分方程边值问题,得到存在和唯一性定理 |
| 5. | We apply this condition and elementary properties of fourier series to prove a uniqueness theorem for periodic solutions of a class of second order nonlinear ordinary differential systems 我们应用这个条件和傅立叶级数的基本性质证明了二阶非线性常微系统周期解的唯一性定理。 |
| 6. | In this paper , by estimates of spectral of an integral operator , the authors give a theorem on the existence of solutions for first order differential difference equations with boundary condition 摘要通过对积分算子谱的估计,作者给出了一阶线性微分差分方程在边值条件下解的存在唯一性定理。 |
| 7. | Under the same lipschitz condition as for newton ' s method , we give a result on the existence of a unique solution for the nonlinear equation by using a technique based on a new system of recurrence relations 在与kantorovich条件相同的lipschitz条件下,我们通过基于新的递归关系的技巧给出非线性方程解的存在唯一性定理。下面介绍本文的主要内容。 |
| 8. | In chapter 1 , we summarize not only various corrections of lipschitz condition since kantorovich condition was put forward , but also the convergence theorem of newton ' s method and the uniqueness of the solution of the equation 第一章,我们综述了自kantorovich条件被提出以来,人们对其中的lipschitz条件所给出的种种修正,以及由此得到的关于newton法的收敛性和方程解的唯一性定理。 |
| 9. | Abstract : in this paper , the maximum principles for fourth order nonlinear parabolic equations are proved . by using these maximum principles , the uniqueness theorem and gradient estimates for the solutions of some fourth order parabolic equations are obtained 文摘:文中证明了四阶非线性抛物方程的最大值原理,利用这些最大值原理获得了一些四阶抛物型方程的解的唯一性定理和解的梯度估计 |
| 10. | An alternate proof about its existence and uniqueness and its explicit represention are given , especially the rational interpolation formulas for simple konts and double konts , and the algorithm complexity in case of double konts is improved from o ( n ~ 2 ) to o ( n ) 首先,介绍了cv ( cauchy - vandermonde )有理函数插值公式,给出了cv有理函数空间上插值问题解的存在唯一性定理的另一种简单证明和显式表示 |